<!DOCTYPE html>
<html>
  <head>
    <title>tupianlunbo.html</title>
	
    <meta name="keywords" content="keyword1,keyword2,keyword3">
    <meta name="description" content="this is my page">
    <meta name="content-type" content="text/html; charset=UTF-8">
    
    <!--<link rel="stylesheet" type="text/css" href="./styles.css">-->

  </head>
  
  <body>
  <img id=pic src="images/1.jpg"/>
  <script type="text/javascript">
var obj = document.all.pic;
var i = 1;
function cctv(){
   obj.src = "images/" + i + ".jpg";
   i++;
   if(i>5){
      i=1;
   }
   }
   setInterval("cctv()",500);
  </script>
  </body>
</html>
